The ideal solution for anyone tired of keeping tedious food diaries and counting calories, yet still seeking support to reduce or manage their weight. Polar Balance offers a new, simple, and motivating way to monitor health and fitness while losing weight. In the Polar Balance web service, a target weight and a desired timeframe are defined. This results in personalized guidance on how to achieve this: it is essential to find the balance between daily activity and food intake. To fully benefit from the Polar Balance health and fitness monitoring system, four components are required: Polar Balance scale, Polar wrist receiver (Activity Tracker or sports watch with activity tracking), Polar Flow app, and Polar Balance web service.